| Date | Location | Name | Instrument |
|---|---|---|---|
| 1971-06-19 | Casino Kursaal | Roberta Flack | Piano, Vocals |
| 1990-07-17 | Casino Montreux | Roberta Flack | Vocals, Piano |
| 2005-07-14 | Auditorium Stravinski | Roberta Flack | Vocals, Piano |
| 2008-07-11 | Auditorium Stravinski | Roberta Flack | Vocals |
Songs performed at the festival and credited to this person as composer, lyricist, songwriter or arranger.
2 songs
| Title | Role | Concert | Date | Location |
|---|---|---|---|---|
| 1. Feel Like Making Love, 2. Chicken Grease (medley) | composer, lyricist | D'Angelo | 2000-07-14 | Auditorium Stravinski |
| You Know What It's Like | composer | Roberta Flack | 1990-07-17 | Casino Montreux |